Re: [PATCH v2 3/8] dt-bindings: display: panel: mipi-dbi-spi: add spi-3wire property

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On 6/14/23 14:32, Leonard Göhrs wrote:
> Some MIPI DBI panels support a three wire mode (clock, chip select,
> bidirectional data) that can be used to ask the panel if it is already set
> up by e.g. the bootloader and can thus skip the initialization.
> This enables a flicker-free boot.
> 
> Signed-off-by: Leonard Göhrs <l.goehrs@xxxxxxxxxxxxxx>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> ---

Reviewed-by: Noralf Trønnes <noralf@xxxxxxxxxxx>

>  .../devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml   | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml b/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml
> index c07da1a9e6288..2f0238b770eba 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml
> @@ -87,6 +87,8 @@ properties:
>        Logic level supply for interface signals (Vddi).
>        No need to set if this is the same as power-supply.
>  
> +  spi-3wire: true
> +
>  required:
>    - compatible
>    - reg



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